diff --git a/web/src/components/LatestCommit/LatestCommit.tsx b/web/src/components/LatestCommit/LatestCommit.tsx
index 0525b93a1..5e804a0ef 100644
--- a/web/src/components/LatestCommit/LatestCommit.tsx
+++ b/web/src/components/LatestCommit/LatestCommit.tsx
@@ -45,7 +45,7 @@ import { CommitActions } from 'components/CommitActions/CommitActions'
 import { useAppContext } from 'AppContext'
 import { formatBytes, getErrorMessage } from 'utils/Utils'
 import { useStrings } from 'framework/strings'
-import { makeDiffRefs, type GitInfoProps, type RepositorySummaryData, isRefATag } from 'utils/GitUtils'
+import { makeDiffRefs, type GitInfoProps, type RepositorySummaryData, isRefATag, normalizeGitRef } from 'utils/GitUtils'
 import { PipeSeparator } from 'components/PipeSeparator/PipeSeparator'
 import { TimePopoverWithLocal } from 'utils/timePopoverLocal/TimePopoverWithLocal'
 import css from './LatestCommit.module.scss'
@@ -101,7 +101,7 @@ export function LatestCommitForFolder({
   const branchDivergenceRequestBody: OpenapiCalculateCommitDivergenceRequest = useMemo(() => {
     return {
       maxCount: 0,
-      requests: [{ from: gitRef, to: repoMetadata.default_branch }]
+      requests: [{ from: normalizeGitRef(gitRef), to: normalizeGitRef(repoMetadata.default_branch) }]
     }
   }, [repoMetadata, gitRef])
 
diff --git a/web/src/pages/RepositoryBranches/RepositoryBranchesContent/BranchesContent/BranchesContent.tsx b/web/src/pages/RepositoryBranches/RepositoryBranchesContent/BranchesContent/BranchesContent.tsx
index 5d5bdfac2..9e897ac4a 100644
--- a/web/src/pages/RepositoryBranches/RepositoryBranchesContent/BranchesContent/BranchesContent.tsx
+++ b/web/src/pages/RepositoryBranches/RepositoryBranchesContent/BranchesContent/BranchesContent.tsx
@@ -49,7 +49,7 @@ import { useConfirmAction } from 'hooks/useConfirmAction'
 import { useRuleViolationCheck } from 'hooks/useRuleViolationCheck'
 import { OptionsMenuButton } from 'components/OptionsMenuButton/OptionsMenuButton'
 import { CommitDivergence } from 'components/CommitDivergence/CommitDivergence'
-import { makeDiffRefs } from 'utils/GitUtils'
+import { makeDiffRefs, normalizeGitRef } from 'utils/GitUtils'
 import css from './BranchesContent.module.scss'
 
 interface BranchesContentProps {
@@ -71,7 +71,10 @@ export function BranchesContent({ repoMetadata, searchTerm = '', branches, onDel
   const branchDivergenceRequestBody: OpenapiCalculateCommitDivergenceRequest = useMemo(() => {
     return {
       maxCount: 0,
-      requests: branches?.map(branch => ({ from: branch.name, to: repoMetadata.default_branch }))
+      requests: branches?.map(branch => ({
+        from: normalizeGitRef(branch.name),
+        to: normalizeGitRef(repoMetadata.default_branch)
+      }))
     }
   }, [repoMetadata, branches])
   const isMounted = useIsMounted()
diff --git a/web/src/utils/GitUtils.ts b/web/src/utils/GitUtils.ts
index d5e1641c1..037cb5e2b 100644
--- a/web/src/utils/GitUtils.ts
+++ b/web/src/utils/GitUtils.ts
@@ -288,7 +288,7 @@ export const normalizeGitRef = (gitRef: string | undefined) => {
   } else if (gitRef && isGitRev(gitRef)) {
     return gitRef
   } else {
-    return `refs/heads/${gitRef}`
+    return REFS_BRANCH_PREFIX + gitRef
   }
 }